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62143-33-3 1-naphthalenesulfonic acid, 4-[(2-hydroxy-1-naphthalenyl)azo]-, calciumsalt (2:1)

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Product Name 1-Naphthalenesulfonic acid, 4-[(2-hydroxy-1-naphthalenyl)azo]-, calciumsalt (2:1)
CAS No. 62143-33-3
Molecular Formula C20H14N2O4S・1/2Ca